No matter the result (other than zero or less of course) you'll get something advantageous to you for only two mana
By way of the graveyard, of course
It's not Snapcaster Mage, though it's close, but in some cases, it's going to be even better
For example, if you want to cast Fallaji Wayfarer but you only have 3 mana available, you can use one mana to cast a Birds of Paradise and then immediately tap the Bird to help cast the Wayfarer
Even this second crash may not last forever, however, since cEDH may end up getting its own special Tier five power rating
With this in mind, its no wonder that some MTG players want to fight back against the growing tide of crossovers